Home / 3,196.60-4,791.07-1,880.98

Finding the Fourth Proportional to 3,196.60, 4,791.07 and 1,880.98

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Solution

The fourth proportional to 3,196.60, 4,791.07 and 1,880.98 is: 2,819.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196.60 : 4,791.07 = 1,880.98 : x
  2. Step 2: Convert to fraction form
    3,196.60/4,791.07 = 1,880.98/x
  3. Step 3: Cross multiply
    3,196.60x = 4,791.07 × 1,880.98
  4. Step 4: Simplify right side
    3,196.60x = 9,011,906.85
  5. Step 5: Solve for x
    x = 9,011,906.85/3,196.60
  6. Step 6: Final answer
    x = 2,819.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.